Features that contributed to success on land include a
__________ that protects spores. Fill in the blank(s) with the appropriate word(s).
Answer: sporangium
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Which of the following best describes the translational elongation process?
A. tRNA molecules condense with rRNA molecules. B. Ribonucleotides are added to amino acids through the synthesis of phosphodiester bonds. C. The polypeptide chain is lengthened by synthesizing peptide bonds between amino acids. D. Ribosomal proteins aggregate to form polysomes.
In maternal effect, the _______ of the mother determines the _______ of the offspring
A. phenotype, genotype B. genotype, phenotype C. rRNA, tRNA D. imprinting, genotype
Nuclear signaling is slowed down by CREB.
a. true b. false
Fungal cell walls are different from plant cell walls because fungal walls contain
A) cellulose, whereas plant walls have pectin. B) glycogen, whereas plant walls have cellulose. C) chitin, whereas plant walls have cellulose. D) cellulose, whereas plant walls have chitin. E) chitin, whereas plant walls have starch.